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Old 03-14-2018, 03:39 PM   #7
Lochlin
Gone Wild
 
Join Date: May 2011
Location: Pittsburgh
Posts: 2,944
Default Re: Has fuel but wont run without Starting fluid

Vacuum pumps like you have will pulse. Electric ones emit a steady stream. Definitely check the lines and such. Any air leaks anywhere will rob you of your precious vacuum.

Cranks seals are funny. I have seen some slowly degrade where you can tell they are failing as you constantly have to increase choking or adjust the carb for more fuel. I have seen some that simply blew out at a stop sign; cart is running great, stop at a stop sign and "no go" because the crank seal blew. Who knows with these things. It does seem to be that problems intertwine though. A problem here causes a problem there. It's anyone's guess at this point.
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